package com.dgut.experiment2.component;

import org.springframework.boot.CommandLineRunner;
import org.springframework.core.env.Environment;

import java.util.Objects;

public class CustomCommandLineRunner implements CommandLineRunner {
    Environment env;
    public CustomCommandLineRunner(Environment env){
        this.env=env;
    }
    @Override
    public void run(String... args) throws Exception {
        System.out.println("利用spring boot自动装配的CommandLineRunner");
        System.out.println("生成一个随机字符串：".concat(Objects.requireNonNull(env.getProperty("random."))));
    }
}
